One vertex per element, one color per generator, with an edge from x to x·s.
(1,2)(3,12)(4,9)(5,10)(6,8)(7,11)(13,14)(15,16)(17,18,21,24)(19,25,27,22)(20,23,29,32)(26,31,28,30)(33,34,39,41)(35,42,46,37)(36,38,48,40)(43,47,44,45)(1,3,7,6)(2,8,11,12)(4,15,10,13)(5,16,9,14)(17,19)(18,22)(20,28)(21,27)(23,31)(24,25)(26,29)(30,32)(33,35)(34,37)(36,43)(38,45)(39,46)(40,47)(41,42)(44,48)(17,19,21,27)(18,22,24,25)(20,26,29,28)(23,30,32,31)(33,36,39,48)(34,40,41,38)(35,43,46,44)(37,47,42,45)(1,4,7,10)(2,9,11,5)(3,13,6,15)(8,16,12,14)(17,19)(18,22)(20,26)(21,27)(23,30)(24,25)(28,29)(31,32)(33,36)(34,38)(35,44)(37,47)(39,48)(40,41)(42,45)(43,46)(1,5,7,9)(2,10,11,4)(3,14,6,16)(8,15,12,13)(17,20)(18,23)(19,26)(21,29)(22,30)(24,32)(25,31)(27,28)(33,37)(34,35)(36,47)(38,44)(39,42)(40,43)(41,46)(45,48)(1,6,7,3)(2,8,11,12)(4,15,10,13)(5,14,9,16)(17,18)(19,22)(20,23)(21,24)(25,27)(26,30)(28,31)(29,32)(33,38)(34,36)(35,45)(37,43)(39,40)(41,48)(42,44)(46,47)A Cayley diagram is a choice, not a fact about the group. Another drawing of this group — in a book, or on a different generating set — may look nothing like this one.